Dependency injection (DI) is a programming pattern in which a dependency is passed using the parameters instead of instantiating it within the function or class. DI enables creating isolated…

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Dependency injection (DI) is a programming pattern in which a dependency is passed using the parameters instead of instantiating it within the function or class. DI enables creating isolated individual components within application code and makes it easy to switch those dependencies in the future as the requirement changes. This article explores dependency injection in Javascript using higher-order functions.

Dependency injection in Javascript

Dependency Injection using the higher-order function

Creating services with higher-order functions

<p>Very nice and clearly explained. Thank you!</p>


<p>I will also recommend to use some framework to help inject automatically dependency like <a href="https://inversify.io/" target="_blank" rel="noopener nofollow">https://inversify.io/</a></p>
